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Table 5 WAN Interface Cards for the Cisco 1751 Router
Module Description
WIC-1T One serial, async, and sync (T1/E1)
WIC-2T Two serial, async, and sync (T1/E1)
WIC-2A/S Two low-speed serial (up to 128 kbps), async, and sync
WIC-1B-S/T One ISDN BRI S/T
WIC-1B-U One ISDN BUI U with integrated NT1
WIC-1DSU-56K4 One integrated 56/64-kbps, four-wire DSU/CSU
WIC-1DSU-T1 One integrated T1/fractional T1 DSU/CSU
WIC-1ADSL One-port ADSL interface
WIC-1ENET One-port 10BaseT Ethernet Interface
WIC-1SHDSL One-port G.SHDSL interface
WIC-1AM One-port V.90 analog modem WIC
WIC-2AM Two-portV.90 analog modem WIC
Table 6 Voice Interface Cards for the Cisco 1751
VIC-2FXS Two-port FXS voice/fax interface card for voice/fax network module
VIC-2DID Two-port DID (direct inward dial) voice/fax interface card
VIC-2FXO Two-port FXO voice/fax interface card for voice/fax network module
VIC-2FXO-EU Two-port FXO voice/fax interface card for Europe
VIC-2FXO-MI Two-port FXO voice/fax interface card with battery reversal detection and
Caller ID support (for US, Canada, and others) [enhanced version of the
VIC-2FXO]
VIC-2FXO-M2 Two-port FXO voice/fax interface card with battery reversal detection and
Caller ID support (for Europe) [enhanced version of the VIC-2FXO-EU]
VIC-2FXO-M3 Two-port FXO voice/fax interface card for Australia
VIC-2E/M Two-port E&M voice/fax interface card for voice/fax network module
VIC-2BRI-NT/TE Two-port network Side ISDN BRI interface
VIC-4FXS/DID
1
Four-port FXS and DID voice/fax interface card
VWIC-1MFT-T1 One-port RJ-48 multiflex trunk - T1
VWIC-2MFT-T1 Two-port RJ-48 multiflex trunk - T1
VWIC-2MFT-T1-DI Two-port RJ-48 multiflex trunk - T1 with drop and insert
VWIC-1MFT-E1 One-port RJ-48 multiflex trunk - E1
VWIC-2MFT-E1 Two-port RJ-48 multiflex trunk - E1